In this paper, the scalar field perturbations in the background of the massless BTZ black holes was discussed.We found that the massless BTZ hole contains only normal modes in the perturbations.是什么意思_In this paper, the scalar field perturbations in the background of the massless BTZ black holes was discussed.We found that the massless BTZ hole contains only normal modes in the perturbations.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句